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Garage door photo eye.
It s time to change the photo eyes sensors you have successfully done the sensors bypass procedure.
95 4 99 oz free shipping on your first order shipped by amazon.
41a5034 liftmaster sears craftsman sensor cells photo eyes garage door opener.
Only 5 left in stock order soon.
These sensors send out an invisible beam that connects them.
The way they function is quite simple.
Because of the technology a family pet or a person could walk through the beam and the garage door won t come down on them.
Liftmaster 41a4373a garage door openers safety sensors.
The photo eye sensor for a garage door opener is typically placed approximately two inches off of the ground.
The us government mandated that new safety features get put on new garage doors.
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The photo eye of an automatic opening garage door is a safety feature.
Photo eye sensors got created as a result of this order.
They shoot an invisible beam between them which will sense if something is between them as it breaks the beam.
If anything interrupts the beam so that the two sensors are not in contact the sensor signals the system to break the circuit so the door cannot close.
The photo eye sensor is one of the most important parts of your garage door system.
The photo eye sensors on garage doors are located about six inches above the ground one on either side of the garage door.
If the laser or photo stream is broken the door will immediately stop.
These sensors sit either side of your garage door near the ground.
For instance if your garage door is closing and something breaks the laser then the door will automatically raise back up.
Since most photo eye sensors are placed at that two inch height most people know you can simply step high above the infrared light to bypass the system.
If one of the photo eye sensors are malfunctioning it will begin to blink rapidly.
Photo eyes send a laser back and forth to each other while the garage door is opening and closing.
In stock on september 16 2020.
If the photo eye senses an obstruction it stops the door from closing and potentially prevents damage or injury to a vehicle.